65000440

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6323}}^1$

素因数の和:6591

約数の個数: 32

約数和(自身を含む): 146843280

約数和(自身を除く): 81842840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 6323, 10280, 12646, 25292, 31615, 50584, 63230, 126460, 252920, 1625011, 3250022, 6500044, 8125055, 13000088, 16250110, 32500220, 65000440]

約数ペア:

[(1, 65000440), (2, 32500220), (4, 16250110), (5, 13000088), (8, 8125055), (10, 6500044), (20, 3250022), (40, 1625011), (257, 252920), (514, 126460), (1028, 63230), (1285, 50584), (2056, 31615), (2570, 25292), (5140, 12646), (6323, 10280)]